Blood moves through blood vessels in which of the following sequences, starting from the heart A. Arteries->arterioles->venules->capillaries->veins B. Arterioles->arteries->capillaries->veins->venules C. Arteries->arterioles->capillaries->venules->veins D. Arteries->capillaries->veins->arterioles->veins

Which layer of the blood vessel is composed of muscle and usually thicker in arteries than veins A. Tunica media B. Tunica intima C. Tunica externa D. Endothelium

Which of the following is the smooth inner layer of the blood vessels A. Tunica media B. Tunica intima C. Endothelium D. Both B and C

Which layer of the blood vessel is made of tough connective tissue A. Tunica media B. Tunica externa C. Tunica intima D. Endothelium

Which of the following is not true of arteries A.the endothelium has one-way valves B. They have thicker tunica media than veins C. They carry blood away from the heart D. They carry blood to arterioles

Which of the following is not true of veins A. The endothelium has one-way valves B. They have a thinner tunica media than arteries C. They carry blood away from the heart D. They receive blood from venules

Which of the following is not true of capillaries A. They are made up only of endothelium B. The endothelium has one-way valves C. They receive blood from arterioles D. They are where material is exchanged with the cells

A large area of necrosis that has progressed to decay is called A. An aneurysm. B. Ischemia. C. Gangrene D. Phlebitis.

The condition in which an artery becomes abnormally widened due to a weakness in the arterial wall is called A. An aneurysm. B. Ischemia. C. Gangrene. D. Phlebitis.

Which of the following is an inflammation of a vein A. An aneurysm. B. Phlebitis. C. Varicose veins. D. Gangrene

Which of the following is a condition in which blood pools in the veins due to incompetent valves? A. An aneurysm. B. Phlebitis. C. Varicose veins. D. Gangrene

The first blood vessel of systemic circulation is the A. Pulmonary artery. B. Aorta. C. Superior vena cava. D. Inferior vena cava.

The first blood vessel of the pulmonary circulation is the A. Pulmonary artery. B. Aorta. C. Superior vena cava. D. Pulmonary vein.

Which of the following is not true of hepatic portal circulation? A. It routes blood from several digestive organs to the liver. B. Blood traveling through hepatic portal circulation is sent through two capillary beds rather than one. C. It is important in maintaining blood homeostasis. D. All of the above are true of hepatic portal circulation.

Which structure in the fetus allows blood to bypass the immature liver A. Foremen ovale B. Ductus venosus C. Ductus arteriosus D. Umbilical vein

Which structure in the fetus allows blood to be shunted from the right atrium to the left atrium A. Foremen ovale B. Ductus venosus C. Ductus arteriosus D. Umbilical vein

Which structure in the fetus connects the pulmonary artery to the aorta A. Umbilical vein. B. Umbilical artery. C. Ductus arteriosus D. Ductus venosus

Which structure in the fetus carries oxygen-rich Blood from the mother to the baby A. Umbilical vein. B. Umbilical artery. C. Ductus arteriosus D. Ductus venosus

Blood pressure is the highest in the A. Capillaries. B. Large veins. C. Large arteries. D. Small veins.

Blood pressure is the lowest in the A. Capillaries. B. Large veins. C. Large arteries. D. Small arteries.

What is the direct cause of blood pressure? A. Blood volume. B. Strength of the heart contraction. C. Heart rate. D. Blood viscosity.

An increase in which of the following can actually decrease blood pressure A. Blood volume. B. Strength of the heart contraction. C. Heart rate. D. Blood viscosity.

Polycythemia has a direct effect on which of the following factors that influence a blood pressure A. Blood volume. B. Strength of the heart contraction. C. Heart rate. D. Blood viscosity.

Which of the following is not a location at which the pulse can be felt in the upper limb A. Popliteal Artery B. Radial Artery C. Axillary Artery D. Brachial Artery

Which of the following is not a location at which the pulse can be felt in the lower limb A. Popliteal artery B. Femoral artery C. Dorsalis pedis artery D. Brachial artery

Which type of shock results from blood loss? A. Cardiogenic shock. B. Hypovolemic shock. C. Anaphylactic shock. D. Septic shock.

Which type of shock results from an acute type of allergic reaction A. Cardiogenic shock. B. Hypovolemic shock. C. Anaphylactic shock. D. Septic shock.

Which type of shock results from the effects of infectious agents such as bacteria, releasing toxins in the blood A. Cardiogenic shock. B. Neurogenic shock. C. Anaphylactic shock. D. Septic shock.

Which type of shock results from a loss of sympathetic impulses sent to the smooth muscles of the blood vessels A. Cardiogenic shock. B. Neurogenic shock. C. Anaphylactic shock. D. Septic shock.

Which type of shock results from any type of heart failure? A. Cardiogenic shock. B. Neurogenic shock. C. Anaphylactic shock. D. Septic shock.

Which blood vessel carries blood away from the capillaries A. Arteries. B. Arterioles C. Venules D. Both A and B.

Which blood vessel carries blood toward the capillaries A. Arteries. B. Arterioles C. Venules D. Both A and B.

Which term refers to a decrease in blood supply to a tissue, Leading to gradual Cell death A. Aneurysm. B. Ischemia. C. Gangrene D. Phlebitis.

Another term for a cerebrovascular accident is A. A stroke. B. An aneurysm. C. A varix D. Phlebitis.

Which factor influences resistance to blood flow A. Blood viscosity. B. Blood volume. C. Muscle tension in blood vessel walls. D. Both A and C

Which of the following does not increase the risk of developing hypertension A. Genetics. B. Being female. C. Being African-American. D. All of the above increased, the risk of developing hypertension.

Which of the following is not a characteristic of an artery? a. It carries blood away from the heart. b. It has valves to prevent the backflow of blood. c. It has a thicker tunica media than veins. d. All of the above are characteristics of arteries

Which of the following is not a characteristic of a vein? a. It carries blood back to the heart. b. It has valves to prevent the backflow of blood. c. It can serve as reservoirs for blood. d. All of the above are characteristics of veins.

A section of an artery that has become abnormally wide because of a weakening of the arterial wall is called a. an aneurysm. b. necrosis. c. arteriosclerosis. d. ischemia.

Which of the following is not true of hepatic portal circulation? a. It receives blood from the stomach, spleen, and intestine. b. The blood passes through a second capillary bed. c. It allows the liver to detoxify the blood. d. All of the above are true of hepatic portal circulation.

This blood vessel returns blood to the left atrium. a. The pulmonary artery b. The pulmonary vein c. The superior vena cava d. The aorta

This blood vessel returns blood to the right atrium. a. The inferior vena cava b. The pulmonary arteries c. The pulmonary veins d. The hepatic veins

This blood vessel receives blood from the right ventricle. a. The pulmonary artery b. The pulmonary vein c. The aorta d. The inferior vena cava

This blood vessel receives blood from the left ventricle. a. The pulmonary artery b. The pulmonary vein c. The aorta d. The inferior vena cava

Microscopic vessels that carry blood from small arteries to small veins are a. arterioles. b. venules. c. capillaries. d. portal circulatory systems.

The layer of blood vessels that is made up of connective tissues fibers to reinforce the blood vessel wall is the a. tunica media. b. tunica intima. c. tunica externa. d. tunica intermedia.

The layer of blood vessels that contains smooth muscle is the a. tunica media. b. tunica intima. c. tunica externa. d. tunica intermedia

The layer of blood vessels that is made up of a single layer of squamous epithelium is the a. tunica media. b. tunica intima. c. tunica externa. d. tunica intermedia.

This structure in fetal circulation shunts blood directly from the right atrium to the left atrium. a. Umbilical artery b. Foramen ovale c. Ductus venosus d. Ductus arteriosus

This structure in fetal circulation connects the aorta and the pulmonary artery. a. Umbilical artery b. Foramen ovale c. Ductus venosus d. Ducts arteriosus

This structure in fetal circulation shunts blood away from the immature liver. a. Umbilical artery b. Foramen ovale c. Ductus venosus d. Ductus arteriosus

Which of the following is not true of the blood vessels in the umbilical cord? a. There are two umbilical arteries. b. There is one umbilical vein. c. The umbilical arteries carry oxygen-rich blood. d. All of the above are true of the blood vessels in the umbilical cord.

Capillaries are unique because their structure includes only a. the tunica intima. b. the tunica intima and the tunica media. c. the tunica intima and the tunica externa. d. None of the above is correct because all blood vessels have all three layers in their structure.

Which of the following is not a mechanism that moves venous blood back to the heart? a. Contraction of skeletal muscles b. Changing pressure in the chest cavity during breathing c. Increasing the viscosity of the blood d. All of the above are mechanisms that move venous blood back to the heart.

This type of shock is caused by an imbalance in the autonomic stimulation of smooth muscles in vessel walls. a. Neurogenic shock b. Anaphylactic shock c. Septic shock d. Cardiogenic shock

This type of shock is caused by an acute allergic reaction. a. Neurogenic shock b. Anaphylactic shock c. Septic shock d. Cardiogenic shock

What is the primary function of capillaries? A. Gas and nutrient exchange between blood and tissues. B. Heat production. C. Blood storage. D. Gas transport to lungs.

Which structure prevents backflow in veins to help blood return to the heart A. Chordae tendineae B. Elastic lamina of Tunica externa C. Aortic valve. D. Valves in the Tunica intima.

Artery: Carries his blood away from the heart under high pressure True/false

True

Capillary: Site of exchange between blood and tissue fluid True/false

True

Vein: Return returns blood to the heart under low pressure True/false

True

Venule: Small vein receiving blood from capillaries True/false

True

Arterioles regulate blood flow into capillary beds True/false

True

Which condition is characterized by dilation and pulling of blood in superficial veins A. Varicose veins. B. Arthrosclerosis. C. Phlebitis. D. Aneurysm.

Hypovolemic shock results from a decrease in blood volume True/false

True

Veins carry blood away from tissues under high-pressure True/false

False

Which layer of the blood vessel wall is composed of muscle and usually thicker in arteries than in veins A. Tunica Media. B. Tunica intima. C. Tunica externa. D. Endothelium.

Which of the following is the smooth inner layer of the blood vessel wall? A. Tunica Media. B. Tunica externa. C. Tunica intima. D. Tunica intermedia

Which of the following is not true of arteries A. They have thicker tuna media than veins. B. They carry blood away from the heart. C. They carry blood to the arterioles D. The endothelium has one-way valves.

The first blood vessel of systemic circulation is A. Pulmonary artery. B. Superior vena cava. C. Inferior vena cava. D. Aorta.